code: def test_insert_similar():
      insert_similar = doctrees["insert_similar"]
      new_nodes = list(
          merge_doctrees(original, insert_similar, is_paragraph)
      )
      uids = [n.uid for n in insert_similar.findall(is_paragraph)]
      assert len(new_nodes) == 1
      assert new_nodes[0].rawsource == "Anyway I need more"
      assert original_uids[0] == uids[0]
      assert original_uids[1:] == uids[2:]
  
file_path: sphinx/tests/test_versioning.py
imports: import pickle
  import shutil
  import pytest
  from sphinx.testing.util import SphinxTestApp
  from sphinx.versioning import add_uids, get_ratio, merge_doctrees
label_desc: Use image node_id 13 for calling a global function with example usage: test_insert_similar() without return types